/*******************************************************************************
 * Copyright (c) 2000, 2003 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.epic.perleditor.preferences;

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Layout;

public class TabFolderLayout extends Layout {

    protected Point computeSize (Composite composite, int wHint, int hHint, boolean flushCache) {
        if (wHint != SWT.DEFAULT && hHint != SWT.DEFAULT)
            return new Point(wHint, hHint);
            
        Control [] children = composite.getChildren ();
        int count = children.length;
        int maxWidth = 0, maxHeight = 0;
        for (int i=0; i<count; i++) {
            Control child = children [i];
            Point pt = child.computeSize (SWT.DEFAULT, SWT.DEFAULT, flushCache);
            maxWidth = Math.max (maxWidth, pt.x);
            maxHeight = Math.max (maxHeight, pt.y);
        }
        
        if (wHint != SWT.DEFAULT)
            maxWidth= wHint;
        if (hHint != SWT.DEFAULT)
            maxHeight= hHint;
        
        return new Point(maxWidth, maxHeight);	
        
    }
    
    protected void layout (Composite composite, boolean flushCache) {
        Rectangle rect= composite.getClientArea();
    
        Control[] children = composite.getChildren();
        for (int i = 0; i < children.length; i++) {
            children[i].setBounds(rect);
        }
    }
}
